Home / 20,042.10-27,646.02-13,236.18

Finding the Fourth Proportional to 20,042.10, 27,646.02 and 13,236.18

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Solution

The fourth proportional to 20,042.10, 27,646.02 and 13,236.18 is: 18,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.10 : 27,646.02 = 13,236.18 : x
  2. Step 2: Convert to fraction form
    20,042.10/27,646.02 = 13,236.18/x
  3. Step 3: Cross multiply
    20,042.10x = 27,646.02 × 13,236.18
  4. Step 4: Simplify right side
    20,042.10x = 365,927,697.00
  5. Step 5: Solve for x
    x = 365,927,697.00/20,042.10
  6. Step 6: Final answer
    x = 18,257.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.